Question: How many school children were in a developed country in 1-1-2000?
Paraphrase: How many school-aged children were there in developed countries in November of 2000?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q132453 p:P2573 ?s . ?s ps:P2573 ?obj . ?s pq:P585 ?x filter(contains(YEAR(?x),'2000')) }